Hello Mohit

Here I'm providing you the link of official site of Bihar school examination board from where you can download the model paper of English for class 12.

https://www.google.com/url?sa=t&source=web&rct=j&url=http://biharboardonline.bihar.gov.in/model-question-papers-ss&ved=2ahUKEwiy7M6h6vDmAhWBILcAHawqBRwQFjAGegQIAhAB&usg=AOvVaw2s8g0dxqe5EzVZHREuWf6M&cshid=1578377638075

Good luck,

Hope it helps :)